Question

19.An object is falling from the top of building of height 100m, calculate velocity with which the object strike the ground, and calculate time of strike .

Answer 1

Answer:

Explanation:

we know acceleration due to gravity,

= 10 m/s sq

height given=100 m

we know velocity,  if height is given= root 2gh

                                                           = whole root 2*10*100

                                                             =  root 2000

                                                            = 2 root 1000